Represent the electrochemical cells corresponding to the following cell reaction
`2Cr(s)+3Pb^(2+)to3Pb(s)(aq)+2Cr^(3+)(aq)`

Represent the electrochemical cells corresponding to the following cell reaction Ni(s)+2Ag^(+)(aq)to2Ag(s)+Ni^(2+)(aq)

Write the half reactions for the following redox reaction. Zn(s) + 2H^+ (aq) rarr Zn^(2+) (aq) + H_2(g)

Calculate the standard cell potentials of galvanic cell. Also calculate Delta G^0 and equilibrium constant of the following cell, reaction. Fe^(2+)(aq)+Ag^+(aq) rarr Fe^(3+)(aq)+Ag(s) E^0 Ag^+I Ag =0.80V,E^0 Fe^(3+)IFe^(2+)=0.77V .

Two electrochemical cells are assembled in which the following reaction occur. V^2+VO^2+2H^+ to 2V^3+H_2O, E_(cell) ^@=0.616V V^3+Ag^+ +H_2O to VO^2+2H^+ + Ag(s), E_(cell)^@=0.439V calculate E^@ for the half cell reaction V^(3+) +e to V^(2+) (E_(Ag)^@, Ag=0.799 volt )

Write half equations for each of the following redox reactions: i) 'Zn(s)+PbCl_2(aq) rarr Pb(s)+ZnCI_2(aq)' ii) '2 Fe^(3+)(aq)+2 I-(aq) rarr I_2(aq)+2 Fe^(2+)(aq)' iii) '2 Na(s)+Cl_2(g) rarr 2 NaCl(s)'

Write the half reaction for the following redox reaction. 2Fe^(3+)(aq) + 2l (aq) rarr I_2 (s) + 2Fe^(2+) (aq)

Find out the oxidising agent and reducing agent in the following reaction: Cu(s)+2Ag^(+) (aq)rarr Cu^(2+) (aq) + 2Ag(s)

Complete the chemical reactions PbS (s)+H_2O_2 (aq) rarr